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Date:      Thu, 14 Oct 1999 18:56:52 -0700 (PDT)
From:      Alfred Perlstein <bright@wintelcom.net>
To:        Young Jin Choi <s198322@ccs.sogang.ac.kr>
Cc:        freebsd-fs@FreeBSD.ORG
Subject:   Re: Measuring disk I/O bandwidth
Message-ID:  <Pine.BSF.4.05.9910141855541.8080-100000@fw.wintelcom.net>
In-Reply-To: <38067CAC.EA2CDEF2@ccs.sogang.ac.kr>

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On Fri, 15 Oct 1999, Young Jin Choi wrote:

> Hello, everybody.
> 
> I need to measure disk I/O bandwidth.
> This method shoud be independent on a kind of Hard Disk.
> How can I I/O bandwidth?

I think DEVSTAT(3) is what you are looking for.

you may also want to look at 'xosview' (in ports) or
'systat -iostat' (in the base system).

-Alfred



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